'Voice' coach Usher: Michelle is 'medicine for the world'

Each coach says nothing but great things about everyone left in “The Voice,” and each one especially loves their own acts. But no coach and singer have the chemistry that Usher and Michelle Chamuel boast.

With all of his other candidates long gone from the competition, Usher has channeled all of his energy and his competitive nature – both of which appear to be limitless – into building his indie-rocker-nerd-girl into a serious contender. They’ve worked together seamlessly, and it was capped off Monday night with the singer dedicating her second song of the night to him.

“Usher, you’ve become like family to me,” Michelle said. “You’re someone I look up to, and who leads by example both on and off camera.You’ve allowed me to be who I am, taken the time to see that, and helped me appreciate that as well. Time after time you’ve been there for me, and this one’s for you. Thanks, coach!”

She then broke into – appropriately enough – Cyndi Lauper’s “Time After Time.” When she finished, her coach was on his feet, the crowd was cheering, and any doubt about her advancing to next week's finale dissipated.

“Thank you so much for dedicating that song to me,” Usher said. “My God. You’re the winner. You’re perfect how you are, and we’re continuing to let the world know that you can be whatever you want to be -- just believe. That is the story. You are medicine for the world. I love you, Michelle Chamuel.”

“Medicine for the world" narrowly edged Shakira's praise for the biggest compliment of the night. The star had earlier told Michelle she was on a “permanent crescendo.” Clearly, the new coaches are more than pulling their weight in being creative with the catchphrases.

Love was also the theme for Danielle Bradbery, who went into the crowd to hug her family during her version of “Who I Am” by Jessica Andrews. It was a move designed to tug at the heartstrings ... and guess what? It worked. Her first song -- Rodney Crowell's "Please Remember Me" -- wasn’t the greatest, but it’s not going to matter. Who can resist the teen prodigy and her loving mom and dad?

That leaves the other three acts vying for a spot. The Swon Brothers and Sasha Allen started the night facing an uphill battle. They were the first two acts to perform, traditionally the performance slots of death. But Amber Carrington had a disappointing first performance, not setting off any sparks with Katy Perry’s “Firework.” And though her rendition of Maroon 5's “Sad” made coach and song co-writer Adam Levine happy, it might not have been enough for her to advance.